计算机毕业设计 SpringBoot的乐乐农产品销售系统 Javaweb项目 Java实战项目 前后端分离 文档报告 代码讲解 安装调试
2023-12-14 12:31:14
    		🍊作者:计算机编程-吉哥
🍊简介:专业从事JavaWeb程序开发,微信小程序开发,定制化项目、 源码、代码讲解、文档撰写、ppt制作。做自己喜欢的事,生活就是快乐的。
🍊心愿:点赞 👍 收藏 ?评论 📝
🍅 文末获取源码联系👇🏻 精彩专栏推荐订阅 👇🏻 不然下次找不到哟~
Java毕业设计项目~热门选题推荐《1000套》
目录
1.技术选型
springboot、mybatisplus、vue、elementui、html、css、js、mysql、jdk1.8
2.数据库表结构
15张?
3.开发工具
idea、navicat
4.功能
4.1【角色】
管理员、用户、商家
4.2【前台功能模块】
- 登录注册
 - 首页
 - 交流论坛
 - 公告信息
 - 农产品
 - 商家
 - 个人中心
 - 购物车
 
4.3【后台功能模块】
- 登录
 - 首页
 - 个人中心
 - 管理员管理
 - 商家管理
 - 用户管理
 - 农产品管理(农产品、农产品评价、农产品订单)
 - 交流论坛管理
 - 公告信息管理
 - 基础数据管理
 - 轮播图信息
 
5.项目演示截图
5.1 首页

5.2 交流论坛
?
5.3 公告信息
?
5.4 农产品
?
5.5 个人中心
?
5.6 农产品管理
?
5.7 农产品订单管理
?
5.8 用户管理
?
6.数据库文件设计
CREATE TABLE `address` (
  `id` int(20) NOT NULL AUTO_INCREMENT COMMENT '主键 ',
  `yonghu_id` int(20) NOT NULL COMMENT '创建用户',
  `address_name` varchar(200) NOT NULL COMMENT '收货人 ',
  `address_phone` varchar(200) NOT NULL COMMENT '电话 ',
  `address_dizhi` varchar(200) NOT NULL COMMENT '地址 ',
  `isdefault_types` int(11) NOT NULL COMMENT '是否默认地址 ',
  `insert_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '添加时间',
  `update_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '修改时间',
  `create_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间 show3',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=15 DEFAULT CHARSET=utf8 COMMENT='收货地址';
CREATE TABLE `cart` (
  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
  `yonghu_id` int(11) DEFAULT NULL COMMENT '所属用户',
  `nongchanpin_id` int(11) DEFAULT NULL COMMENT '农产品',
  `buy_number` int(11) DEFAULT NULL COMMENT '购买数量',
  `create_time` timestamp NULL DEFAULT NULL COMMENT '添加时间',
  `update_time` timestamp NULL DEFAULT NULL COMMENT '更新时间',
  `insert_time` timestamp NULL DEFAULT NULL COMMENT '创建时间',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8 COMMENT='购物车';
CREATE TABLE `config` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键',
  `name` varchar(100) NOT NULL COMMENT '配置参数名称',
  `value` varchar(100) DEFAULT NULL COMMENT '配置参数值',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8 COMMENT='配置文件';
CREATE TABLE `dictionary` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键',
  `dic_code` varchar(200) DEFAULT NULL COMMENT '字段',
  `dic_name` varchar(200) DEFAULT NULL COMMENT '字段名',
  `code_index` int(11) DEFAULT NULL COMMENT '编码',
  `index_name` varchar(200) DEFAULT NULL COMMENT '编码名字  Search111 ',
  `super_id` int(11) DEFAULT NULL COMMENT '父字段id',
  `beizhu` varchar(200) DEFAULT NULL COMMENT '备注',
  `create_time` timestamp NULL DEFAULT NULL COMMENT '创建时间',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=24 DEFAULT CHARSET=utf8 COMMENT='字典';
CREATE TABLE `forum` (
  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
  `forum_name` varchar(200) DEFAULT NULL COMMENT '帖子标题  Search111 ',
  `yonghu_id` int(11) DEFAULT NULL COMMENT '用户',
  `shangjia_id` int(11) DEFAULT NULL COMMENT '商家',
  `users_id` int(11) DEFAULT NULL COMMENT '管理员',
  `forum_content` longtext COMMENT '发布内容',
  `super_ids` int(11) DEFAULT NULL COMMENT '父id',
  `forum_state_types` int(11) DEFAULT NULL COMMENT '帖子状态',
  `insert_time` timestamp NULL DEFAULT NULL COMMENT '发帖时间',
  `update_time` timestamp NULL DEFAULT NULL COMMENT '修改时间',
  `create_time` timestamp NULL DEFAULT NULL COMMENT '创建时间 show2',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=19 DEFAULT CHARSET=utf8 COMMENT='交流论坛';
CREATE TABLE `gonggao` (
  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键 ',
  `gonggao_name` varchar(200) DEFAULT NULL COMMENT '公告名称 Search111  ',
  `gonggao_photo` varchar(200) DEFAULT NULL COMMENT '公告图片 ',
  `gonggao_types` int(11) NOT NULL COMMENT '公告类型 Search111 ',
  `insert_time` timestamp NULL DEFAULT NULL COMMENT '发布时间',
  `gonggao_content` longtext COMMENT '公告详情 ',
  `create_time` timestamp NULL DEFAULT NULL COMMENT '创建时间 show1 show2 nameShow',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=15 DEFAULT CHARSET=utf8 COMMENT='公告信息';
CREATE TABLE `nongchanpin_collection` (
  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
  `nongchanpin_id` int(11) DEFAULT NULL COMMENT '农产品',
  `yonghu_id` int(11) DEFAULT NULL COMMENT '用户',
  `nongchanpin_collection_types` int(11) DEFAULT NULL COMMENT '类型',
  `insert_time` timestamp NULL DEFAULT NULL COMMENT '收藏时间',
  `create_time` timestamp NULL DEFAULT NULL COMMENT '创建时间 show3 photoShow',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=15 DEFAULT CHARSET=utf8 COMMENT='农产品收藏';
CREATE TABLE `nongchanpin_commentback` (
  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
  `nongchanpin_id` int(11) DEFAULT NULL COMMENT '农产品',
  `yonghu_id` int(11) DEFAULT NULL COMMENT '用户',
  `nongchanpin_commentback_text` text COMMENT '评价内容',
  `insert_time` timestamp NULL DEFAULT NULL COMMENT '评价时间',
  `reply_text` text COMMENT '回复内容',
  `update_time` timestamp NULL DEFAULT NULL COMMENT '回复时间',
  `create_time` timestamp NULL DEFAULT NULL COMMENT '创建时间',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=16 DEFAULT CHARSET=utf8 COMMENT='农产品评价';
CREATE TABLE `shangjia` (
  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键 ',
  `username` varchar(200) DEFAULT NULL COMMENT '账户 ',
  `password` varchar(200) DEFAULT NULL COMMENT '密码 ',
  `shangjia_name` varchar(200) DEFAULT NULL COMMENT '商家名称 Search111 ',
  `shangjia_phone` varchar(200) DEFAULT NULL COMMENT '联系方式',
  `shangjia_email` varchar(200) DEFAULT NULL COMMENT '邮箱',
  `shangjia_photo` varchar(200) DEFAULT NULL COMMENT '营业执照展示 ',
  `shangjia_xingji_types` int(11) DEFAULT NULL COMMENT '商家信用类型',
  `new_money` decimal(10,2) DEFAULT NULL COMMENT '现有余额',
  `shangjia_content` longtext COMMENT '商家介绍 ',
  `shangjia_delete` int(11) DEFAULT NULL COMMENT '逻辑删除',
  `create_time` timestamp NULL DEFAULT NULL COMMENT '创建时间 show1 show2 photoShow ',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8 COMMENT='商家';
CREATE TABLE `token` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键',
  `userid` bigint(20) NOT NULL COMMENT '儿童id',
  `username` varchar(100) NOT NULL COMMENT '儿童名',
  `tablename` varchar(100) DEFAULT NULL COMMENT '表名',
  `role` varchar(100) DEFAULT NULL COMMENT '角色',
  `token` varchar(200) NOT NULL COMMENT '密码',
  `addtime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '新增时间',
  `expiratedtime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '过期时间',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8 COMMENT='token表';
CREATE TABLE `users` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键',
  `username` varchar(100) NOT NULL COMMENT '儿童名',
  `password` varchar(100) NOT NULL COMMENT '密码',
  `role` varchar(100) DEFAULT '管理员' COMMENT '角色',
  `addtime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '新增时间',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8 COMMENT='管理员';
CREATE TABLE `yonghu` (
  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
  `username` varchar(200) DEFAULT NULL COMMENT '账户',
  `password` varchar(200) DEFAULT NULL COMMENT '密码',
  `yonghu_uuid_number` varchar(200) DEFAULT NULL COMMENT '用户编号 Search111 ',
  `yonghu_name` varchar(200) DEFAULT NULL COMMENT '用户姓名 Search111 ',
  `yonghu_phone` varchar(200) DEFAULT NULL COMMENT '用户手机号',
  `yonghu_id_number` varchar(200) DEFAULT NULL COMMENT '用户身份证号',
  `yonghu_photo` varchar(200) DEFAULT NULL COMMENT '用户头像',
  `sex_types` int(11) DEFAULT NULL COMMENT '性别',
  `yonghu_email` varchar(200) DEFAULT NULL COMMENT '用户邮箱',
  `new_money` decimal(10,2) DEFAULT NULL COMMENT '余额 ',
  `create_time` timestamp NULL DEFAULT NULL COMMENT '创建时间',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8 COMMENT='用户';
 
7.核心代码?
7.1 农产品Controller
package com.controller;
/**
 * 农产品
 * 后端接口
 * @author 计算机编程-吉哥
 * @email
*/
@RestController
@Controller
@RequestMapping("/nongchanpin")
public class NongchanpinController {
    private static final Logger logger = LoggerFactory.getLogger(NongchanpinController.class);
    private static final String TABLE_NAME = "nongchanpin";
    @Autowired
    private NongchanpinService nongchanpinService;
    @Autowired
    private TokenService tokenService;
    @Autowired
    private AddressService addressService;//收货地址
    @Autowired
    private CartService cartService;//购物车
    @Autowired
    private DictionaryService dictionaryService;//字典
    @Autowired
    private ForumService forumService;//交流论坛
    @Autowired
    private GonggaoService gonggaoService;//公告信息
    @Autowired
    private NongchanpinCollectionService nongchanpinCollectionService;//农产品收藏
    @Autowired
    private NongchanpinCommentbackService nongchanpinCommentbackService;//农产品评价
    @Autowired
    private NongchanpinOrderService nongchanpinOrderService;//农产品订单
    @Autowired
    private ShangjiaService shangjiaService;//商家
    @Autowired
    private YonghuService yonghuService;//用户
    @Autowired
    private UsersService usersService;//管理员
    /**
    * 后端列表
    */
    @RequestMapping("/page")
    public R page(@RequestParam Map<String, Object> params, HttpServletRequest request){
        logger.debug("page方法:,,Controller:{},,params:{}",this.getClass().getName(),JSONObject.toJSONString(params));
        String role = String.valueOf(request.getSession().getAttribute("role"));
        if(false)
            return R.error(511,"永不会进入");
        else if("用户".equals(role))
            params.put("yonghuId",request.getSession().getAttribute("userId"));
        else if("商家".equals(role))
            params.put("shangjiaId",request.getSession().getAttribute("userId"));
        params.put("nongchanpinDeleteStart",1);params.put("nongchanpinDeleteEnd",1);
        CommonUtil.checkMap(params);
        PageUtils page = nongchanpinService.queryPage(params);
        //字典表数据转换
        List<NongchanpinView> list =(List<NongchanpinView>)page.getList();
        for(NongchanpinView c:list){
            //修改对应字典表字段
            dictionaryService.dictionaryConvert(c, request);
        }
        return R.ok().put("data", page);
    }
    /**
    * 后端详情
    */
    @RequestMapping("/info/{id}")
    public R info(@PathVariable("id") Long id, HttpServletRequest request){
        logger.debug("info方法:,,Controller:{},,id:{}",this.getClass().getName(),id);
        NongchanpinEntity nongchanpin = nongchanpinService.selectById(id);
        if(nongchanpin !=null){
            //entity转view
            NongchanpinView view = new NongchanpinView();
            BeanUtils.copyProperties( nongchanpin , view );//把实体数据重构到view中
            //级联表 商家
            //级联表
            ShangjiaEntity shangjia = shangjiaService.selectById(nongchanpin.getShangjiaId());
            if(shangjia != null){
            BeanUtils.copyProperties( shangjia , view ,new String[]{ "id", "createTime", "insertTime", "updateTime", "username", "password", "newMoney", "shangjiaId"});//把级联的数据添加到view中,并排除id和创建时间字段,当前表的级联注册表
            view.setShangjiaId(shangjia.getId());
            }
            //修改对应字典表字段
            dictionaryService.dictionaryConvert(view, request);
            return R.ok().put("data", view);
        }else {
            return R.error(511,"查不到数据");
        }
    }
    /**
    * 后端保存
    */
    @RequestMapping("/save")
    public R save(@RequestBody NongchanpinEntity nongchanpin, HttpServletRequest request){
        logger.debug("save方法:,,Controller:{},,nongchanpin:{}",this.getClass().getName(),nongchanpin.toString());
        String role = String.valueOf(request.getSession().getAttribute("role"));
        if(false)
            return R.error(511,"永远不会进入");
        else if("商家".equals(role))
            nongchanpin.setShangjiaId(Integer.valueOf(String.valueOf(request.getSession().getAttribute("userId"))));
        Wrapper<NongchanpinEntity> queryWrapper = new EntityWrapper<NongchanpinEntity>()
            .eq("shangjia_id", nongchanpin.getShangjiaId())
            .eq("nongchanpin_name", nongchanpin.getNongchanpinName())
            .eq("nongchanpin_types", nongchanpin.getNongchanpinTypes())
            .eq("nongchanpin_kucun_number", nongchanpin.getNongchanpinKucunNumber())
            .eq("shangxia_types", nongchanpin.getShangxiaTypes())
            .eq("nongchanpin_delete", 1)
            ;
        logger.info("sql语句:"+queryWrapper.getSqlSegment());
        NongchanpinEntity nongchanpinEntity = nongchanpinService.selectOne(queryWrapper);
        if(nongchanpinEntity==null){
            nongchanpin.setNongchanpinClicknum(1);
            nongchanpin.setShangxiaTypes(1);
            nongchanpin.setNongchanpinDelete(1);
            nongchanpin.setCreateTime(new Date());
            nongchanpinService.insert(nongchanpin);
            return R.ok();
        }else {
            return R.error(511,"表中有相同数据");
        }
    }
    /**
    * 后端修改
    */
    @RequestMapping("/update")
    public R update(@RequestBody NongchanpinEntity nongchanpin, HttpServletRequest request) throws NoSuchFieldException, ClassNotFoundException, IllegalAccessException, InstantiationException {
        logger.debug("update方法:,,Controller:{},,nongchanpin:{}",this.getClass().getName(),nongchanpin.toString());
        NongchanpinEntity oldNongchanpinEntity = nongchanpinService.selectById(nongchanpin.getId());//查询原先数据
        String role = String.valueOf(request.getSession().getAttribute("role"));
//        if(false)
//            return R.error(511,"永远不会进入");
//        else if("商家".equals(role))
//            nongchanpin.setShangjiaId(Integer.valueOf(String.valueOf(request.getSession().getAttribute("userId"))));
        if("".equals(nongchanpin.getNongchanpinPhoto()) || "null".equals(nongchanpin.getNongchanpinPhoto())){
                nongchanpin.setNongchanpinPhoto(null);
        }
        if("".equals(nongchanpin.getNongchanpinContent()) || "null".equals(nongchanpin.getNongchanpinContent())){
                nongchanpin.setNongchanpinContent(null);
        }
            nongchanpinService.updateById(nongchanpin);//根据id更新
            return R.ok();
    }
    /**
    * 删除
    */
    @RequestMapping("/delete")
    public R delete(@RequestBody Integer[] ids, HttpServletRequest request){
        logger.debug("delete:,,Controller:{},,ids:{}",this.getClass().getName(),ids.toString());
        List<NongchanpinEntity> oldNongchanpinList =nongchanpinService.selectBatchIds(Arrays.asList(ids));//要删除的数据
        ArrayList<NongchanpinEntity> list = new ArrayList<>();
        for(Integer id:ids){
            NongchanpinEntity nongchanpinEntity = new NongchanpinEntity();
            nongchanpinEntity.setId(id);
            nongchanpinEntity.setNongchanpinDelete(2);
            list.add(nongchanpinEntity);
        }
        if(list != null && list.size() >0){
            nongchanpinService.updateBatchById(list);
        }
        return R.ok();
    }
    /**
     * 批量上传
     */
    @RequestMapping("/batchInsert")
    public R save( String fileName, HttpServletRequest request){
        logger.debug("batchInsert方法:,,Controller:{},,fileName:{}",this.getClass().getName(),fileName);
        Integer yonghuId = Integer.valueOf(String.valueOf(request.getSession().getAttribute("userId")));
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        //.eq("time", new SimpleDateFormat("yyyy-MM-dd").format(new Date()))
        try {
            List<NongchanpinEntity> nongchanpinList = new ArrayList<>();//上传的东西
            Map<String, List<String>> seachFields= new HashMap<>();//要查询的字段
            Date date = new Date();
            int lastIndexOf = fileName.lastIndexOf(".");
            if(lastIndexOf == -1){
                return R.error(511,"该文件没有后缀");
            }else{
                String suffix = fileName.substring(lastIndexOf);
                if(!".xls".equals(suffix)){
                    return R.error(511,"只支持后缀为xls的excel文件");
                }else{
                    URL resource = this.getClass().getClassLoader().getResource("static/upload/" + fileName);//获取文件路径
                    File file = new File(resource.getFile());
                    if(!file.exists()){
                        return R.error(511,"找不到上传文件,请联系管理员");
                    }else{
                        List<List<String>> dataList = PoiUtil.poiImport(file.getPath());//读取xls文件
                        dataList.remove(0);//删除第一行,因为第一行是提示
                        for(List<String> data:dataList){
                            //循环
                            NongchanpinEntity nongchanpinEntity = new NongchanpinEntity();
                            //把要查询是否重复的字段放入map中
                        }
                        //查询是否重复
                        nongchanpinService.insertBatch(nongchanpinList);
                        return R.ok();
                    }
                }
            }
        }catch (Exception e){
            e.printStackTrace();
            return R.error(511,"批量插入数据异常,请联系管理员");
        }
    }
    /**
    * 个性推荐
    */
    @IgnoreAuth
    @RequestMapping("/gexingtuijian")
    public R gexingtuijian(@RequestParam Map<String, Object> params, HttpServletRequest request){
        logger.debug("gexingtuijian方法:,,Controller:{},,params:{}",this.getClass().getName(),JSONObject.toJSONString(params));
        CommonUtil.checkMap(params);
        List<NongchanpinView> returnNongchanpinViewList = new ArrayList<>();
        //查询订单
        Map<String, Object> params1 = new HashMap<>(params);params1.put("sort","id");params1.put("yonghuId",request.getSession().getAttribute("userId"));
        params1.put("shangxiaTypes",1);
        params1.put("nongchanpinYesnoTypes",2);
        PageUtils pageUtils = nongchanpinOrderService.queryPage(params1);
        List<NongchanpinOrderView> orderViewsList =(List<NongchanpinOrderView>)pageUtils.getList();
        Map<Integer,Integer> typeMap=new HashMap<>();//购买的类型list
        for(NongchanpinOrderView orderView:orderViewsList){
            Integer nongchanpinTypes = orderView.getNongchanpinTypes();
            if(typeMap.containsKey(nongchanpinTypes)){
                typeMap.put(nongchanpinTypes,typeMap.get(nongchanpinTypes)+1);
            }else{
                typeMap.put(nongchanpinTypes,1);
            }
        }
        List<Integer> typeList = new ArrayList<>();//排序后的有序的类型 按最多到最少
        typeMap.entrySet().stream().sorted((o1, o2) -> o2.getValue() - o1.getValue()).forEach(e -> typeList.add(e.getKey()));//排序
        Integer limit = Integer.valueOf(String.valueOf(params.get("limit")));
        for(Integer type:typeList){
            Map<String, Object> params2 = new HashMap<>(params);params2.put("nongchanpinTypes",type);
            params2.put("shangxiaTypes",1);
            params2.put("nongchanpinYesnoTypes",2);
            PageUtils pageUtils1 = nongchanpinService.queryPage(params2);
            List<NongchanpinView> nongchanpinViewList =(List<NongchanpinView>)pageUtils1.getList();
            returnNongchanpinViewList.addAll(nongchanpinViewList);
            if(returnNongchanpinViewList.size()>= limit) break;//返回的推荐数量大于要的数量 跳出循环
        }
        params.put("shangxiaTypes",1);
        params.put("nongchanpinYesnoTypes",2);
        //正常查询出来商品,用于补全推荐缺少的数据
        PageUtils page = nongchanpinService.queryPage(params);
        if(returnNongchanpinViewList.size()<limit){//返回数量还是小于要求数量
            int toAddNum = limit - returnNongchanpinViewList.size();//要添加的数量
            List<NongchanpinView> nongchanpinViewList =(List<NongchanpinView>)page.getList();
            for(NongchanpinView nongchanpinView:nongchanpinViewList){
                Boolean addFlag = true;
                for(NongchanpinView returnNongchanpinView:returnNongchanpinViewList){
                    if(returnNongchanpinView.getId().intValue() ==nongchanpinView.getId().intValue()) addFlag=false;//返回的数据中已存在此商品
                }
                if(addFlag){
                    toAddNum=toAddNum-1;
                    returnNongchanpinViewList.add(nongchanpinView);
                    if(toAddNum==0) break;//够数量了
                }
            }
        }else {
            returnNongchanpinViewList = returnNongchanpinViewList.subList(0, limit);
        }
        for(NongchanpinView c:returnNongchanpinViewList)
            dictionaryService.dictionaryConvert(c, request);
        page.setList(returnNongchanpinViewList);
        return R.ok().put("data", page);
    }
    /**
    * 前端列表
    */
    @IgnoreAuth
    @RequestMapping("/list")
    public R list(@RequestParam Map<String, Object> params, HttpServletRequest request){
        logger.debug("list方法:,,Controller:{},,params:{}",this.getClass().getName(),JSONObject.toJSONString(params));
        CommonUtil.checkMap(params);
        PageUtils page = nongchanpinService.queryPage(params);
        //字典表数据转换
        List<NongchanpinView> list =(List<NongchanpinView>)page.getList();
        for(NongchanpinView c:list)
            dictionaryService.dictionaryConvert(c, request); //修改对应字典表字段
        return R.ok().put("data", page);
    }
    /**
    * 前端详情
    */
    @RequestMapping("/detail/{id}")
    public R detail(@PathVariable("id") Integer id, HttpServletRequest request){
        logger.debug("detail方法:,,Controller:{},,id:{}",this.getClass().getName(),id);
        NongchanpinEntity nongchanpin = nongchanpinService.selectById(id);
            if(nongchanpin !=null){
                //点击数量加1
                nongchanpin.setNongchanpinClicknum(nongchanpin.getNongchanpinClicknum()+1);
                nongchanpinService.updateById(nongchanpin);
                //entity转view
                NongchanpinView view = new NongchanpinView();
                BeanUtils.copyProperties( nongchanpin , view );//把实体数据重构到view中
                //级联表
                    ShangjiaEntity shangjia = shangjiaService.selectById(nongchanpin.getShangjiaId());
                if(shangjia != null){
                    BeanUtils.copyProperties( shangjia , view ,new String[]{ "id", "createTime", "insertTime", "updateTime", "username", "password", "newMoney", "shangjiaId"});//把级联的数据添加到view中,并排除id和创建时间字段
                    view.setShangjiaId(shangjia.getId());
                }
                //修改对应字典表字段
                dictionaryService.dictionaryConvert(view, request);
                return R.ok().put("data", view);
            }else {
                return R.error(511,"查不到数据");
            }
    }
    /**
    * 前端保存
    */
    @RequestMapping("/add")
    public R add(@RequestBody NongchanpinEntity nongchanpin, HttpServletRequest request){
        logger.debug("add方法:,,Controller:{},,nongchanpin:{}",this.getClass().getName(),nongchanpin.toString());
        Wrapper<NongchanpinEntity> queryWrapper = new EntityWrapper<NongchanpinEntity>()
            .eq("shangjia_id", nongchanpin.getShangjiaId())
            .eq("nongchanpin_name", nongchanpin.getNongchanpinName())
            .eq("nongchanpin_types", nongchanpin.getNongchanpinTypes())
            .eq("nongchanpin_kucun_number", nongchanpin.getNongchanpinKucunNumber())
            .eq("nongchanpin_clicknum", nongchanpin.getNongchanpinClicknum())
            .eq("shangxia_types", nongchanpin.getShangxiaTypes())
            .eq("nongchanpin_delete", nongchanpin.getNongchanpinDelete())
//            .notIn("nongchanpin_types", new Integer[]{102})
            ;
        logger.info("sql语句:"+queryWrapper.getSqlSegment());
        NongchanpinEntity nongchanpinEntity = nongchanpinService.selectOne(queryWrapper);
        if(nongchanpinEntity==null){
            nongchanpin.setNongchanpinClicknum(1);
            nongchanpin.setNongchanpinDelete(1);
            nongchanpin.setCreateTime(new Date());
        nongchanpinService.insert(nongchanpin);
            return R.ok();
        }else {
            return R.error(511,"表中有相同数据");
        }
    }
}
 
7.2 农产品ServiceImpl
package com.service.impl;
/**
 * 农产品 服务实现类
 */
@Service("nongchanpinService")
@Transactional
public class NongchanpinServiceImpl extends ServiceImpl<NongchanpinDao, NongchanpinEntity> implements NongchanpinService {
    @Override
    public PageUtils queryPage(Map<String,Object> params) {
        Page<NongchanpinView> page =new Query<NongchanpinView>(params).getPage();
        page.setRecords(baseMapper.selectListView(page,params));
        return new PageUtils(page);
    }
}
 
7.3 农产品Service
package com.service;
import com.baomidou.mybatisplus.service.IService;
import com.utils.PageUtils;
import com.entity.NongchanpinEntity;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.springframework.lang.Nullable;
import java.util.List;
/**
 * 农产品 服务类
 */
public interface NongchanpinService extends IService<NongchanpinEntity> {
    /**
    * @param params 查询参数
    * @return 带分页的查询出来的数据
    */
     PageUtils queryPage(Map<String, Object> params);
} 
7.4 农产品DAO
package com.dao;
import com.entity.NongchanpinEntity;
import com.baomidou.mybatisplus.mapper.BaseMapper;
import java.util.List;
import java.util.Map;
import com.baomidou.mybatisplus.plugins.pagination.Pagination;
import org.apache.ibatis.annotations.Param;
import com.entity.view.NongchanpinView;
/**
 * 农产品 Dao 接口
 *
 * @author 
 */
public interface NongchanpinDao extends BaseMapper<NongchanpinEntity> {
   List<NongchanpinView> selectListView(Pagination page,@Param("params")Map<String,Object> params);
}
 
8.参考文档

?
你可能还有感兴趣的项目👇🏻👇🏻👇🏻
更多项目推荐:计算机毕业设计项目
如果大家有任何疑虑,请在下方咨询或评论
    			文章来源:https://blog.csdn.net/weixin_51966461/article/details/134915326
本文来自互联网用户投稿,该文观点仅代表作者本人,不代表本站立场。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。 如若内容造成侵权/违法违规/事实不符,请联系我的编程经验分享网邮箱:veading@qq.com进行投诉反馈,一经查实,立即删除!
    	本文来自互联网用户投稿,该文观点仅代表作者本人,不代表本站立场。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。 如若内容造成侵权/违法违规/事实不符,请联系我的编程经验分享网邮箱:veading@qq.com进行投诉反馈,一经查实,立即删除!